<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		
		<button onclick="foo1()">打开窗口</button>
		<button onclick="foo2()">关闭窗口</button>
		
		<script>
			
			var w;
			function foo1()
			{
				w = window.open("new_file.html","new","width=200,height=100");
				// window.open("new_file.html","new","top=300,left=200");
				var w2 = screen.width;
				var h2 = screen.height;
				
				w.moveTo((w2-200)/2,(h2-100)/2)
			}
			
			function foo2()
			{
				// close() 关闭自己这个窗口
				w.close()
			}
			
		</script>
	</body>
</html>